Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| Other | Monitoring | Resolved | 2009-07-01 |
| Other | Monitoring | Resolved | 2009-07-01 |
| MR | Monitoring | Resolved | 1993-07-01 → 2003-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2025 |
| Bromoform | 34.2 µg/L No EPA limit set
worst single sample: 39 µg/L | 9/9 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16.4 µg/L No EPA limit set
worst single sample: 20 µg/L | 9/9 | SYR4 | 2012–2019 |
| TTHM | 55.6 µg/L 70% of the EPA limit 80 µg/L
worst single sample: 66 µg/L | 9/9 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.02 µg/L No EPA limit set
worst single sample: 5 µg/L | 8/9 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 8.16 µg/L No EPA limit set
worst single sample: 9 µg/L | 8/9 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 15.31 µg/L 26% of the EPA limit 60 µg/L
worst single sample: 20 µg/L | 8/9 | SYR4 | 2012–2019 |
| Chloroform | 1.91 µg/L No EPA limit set
worst single sample: 2 µg/L | 3/9 | SYR4 | 2012–2019 |
| Copper | 60 µg/L 4.6% of the EPA limit 1300 µg/L | 1/1 | SYR4 | 2012 |
| Dichloroacetic Acid | 2 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2019 |
| Lead | 8.3 µg/L 55% of the EPA limit 15 µg/L | 1/1 | SYR4 | 2012 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 9 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2019 |
1 contaminants tested, none detected
Utility contact
Frequently asked questions about Dempsey Road Mutual Water Co
Is Dempsey Road Mutual Water Co tap water safe to drink?
EPA monitoring detected 13 contaminants in Dempsey Road Mutual Water Co's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Dempsey Road Mutual Water Co's water?
EPA monitoring detected Lead, Bromoform, Dibromochloromethane, TTHM, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Dempsey Road Mutual Water Co serve?
Dempsey Road Mutual Water Co reports serving 990 people in California, per its EPA record.
Has Dempsey Road Mutual Water Co had any water quality violations?
The EPA has 3 violations on file for Dempsey Road Mutual Water Co, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.